Phones often ship with a SIM lock that ensures they can only be used with a single carrier. Unlocking a phone allows it to be used with any carrier.

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462 views

How to port a SIM card to an Android phone

The procedure for porting a SIM card from a pay-as-you-go phone to an iPhone 4 is well documented (example 1, example 2, config tool for iOS 5). This is a nice option for people mostly on WiFi who use ...
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Do custom ROMs like CyanogenMod modify your bootloader?

Does a custom ROM like CyanogenMod come with their own bootloader or does it just overwrite the /boot kernel and /system? Does the bootloader take responsibility to lock your SIM card on a carrier? ...
2
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1answer
394 views

I it necessary to SIM unlock my Samsung Galaxy S2 to use a custom ROM?

I want to upgrade my Galaxy S II to Android 2.3.5, and my provider only has 2.3.3. So I have to use a ROM from samfirmware.com. Do I have to SIM unlock my phone before installing one of these ROMs? Do ...
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1answer
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How to unlock a Motorola Photon 4G for other carriers?

I won a Motorola Photon 4G. They are tied to Sprint, which is CDMA, but it is a world phone, which means it supports GSM and uses a SIM card. I was reading that there may be an unlock code to allow it ...
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1answer
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Unlocked Galaxy i7500, Reset Will Remove it? [duplicate]

Possible Duplicate: Will resetting my unlocked phone to factory settings lock it again? I just purchased and unlocked a Samsung Galaxy i7500 using FastGSM's system. (It cost $20 and it's ...
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2answers
271 views

Unlocking Xperia x10 using a jacket

I have passed the limits for attempting passcode / sim code. Someone has advised me that I should use a jacket to unlock the phone (Xperia X10a) Where do I get the jacket from? Also, will the jacket ...
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2answers
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Unlocking an HTC HD2 after installing android

I recently bought an HD2, which originally runs Win6.5. But currently has a very modern version of Android installed. Is it necessary to re-install the original OS in order to unlock the phone?
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1answer
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I cancelled SIM unlock and now I cannot unlock the device

When I inserted SIM card into my phone I tapped the "cancel" button, assuming that it would be possible to unlock it later. But I fear that my assumption was wrong. The device is a Sony Ericsson ...
2
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1answer
408 views

Motorola Motoroi South Korea o South Africa change over

I have a Motorola Motoroi XT720 that I bought in South Korea. My service provider is SK Telecom. When I insert my South African sim card (Service provider Vodacom, and using the phone while in South ...
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1answer
156 views

Can an unlocked Nexus One without a carrier be used as a standalone device?

I'm interested in playing around with the new open android open accessory development kits but don't want to pay a monthly fee for having a cell-phone. If I buy the Nexus One/S unlocked and forgo ...
5
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1answer
652 views

Android and sim-lock

I'd like to know if android phones are sim-locked. Given that they are open-source and have community images it should be 'tricky' to sim-lock one but I prefere to ask. Also - do I need to unlock if ...
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What is the difference between jailbreaking and unlocking an Android? [duplicate]

Possible Duplicate: What is the difference between: Rooting, Jailbreak, ROM, Mod, etc Is either possible, legal, contractually legit and does either damage the phone?